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View Article and Find Full Text PDFWe report the development of a novel measurement system designed to measure bubble properties in bubble curtains (i.e. planar bubble plumes) in situ alongside acoustical measurements.
View Article and Find Full Text PDFMycosis fungoides (MF) is a subtype of CTCL with a low incidence and high medical need for novel treatments. The objective of this randomized, placebo-controlled, double-blinded, first-in-human study was to evaluate safety, efficacy, cutaneous and systemic pharmacokinetics (PK) of topical bimiralisib in healthy volunteers (HVs) and MF patients. In this trial, a total of 6 HVs and 19 early-stage MF patients were treated with 2.
View Article and Find Full Text PDFJ Stroke Cerebrovasc Dis
October 2020
Background: While both motor and cognitive impairment are common after stroke, the focus of (early) treatment has always been on motor deficit.
Aims: The objective of the current study was to explore the link between motor and cognitive performance in stroke patients and to examine whether motor performance is associated with cognitive functioning at three months post stroke.
Methods: In both stroke patients (n = 142) and controls (n = 135), with the groups matched on age, gender and premorbid IQ, motor functioning was evaluated using both objective (Purdue Pegboard Test) and subjective measures (specific items from the Frenchay Activities Index and Barthel Index).
Omiganan (OMN; a synthetic cationic peptide) and imiquimod (IMQ; a TLR7 agonist) have synergistic effects on interferon responses in vitro. The objective of this study was to translate this to a human model for proof-of-concept, and to explore the potential of OMN add-on treatment for viral skin diseases. Sixteen healthy volunteers received topical IMQ, OMN, or a combination of both for up to 4 days on tape-stripped skin.
View Article and Find Full Text PDFBackground: Subjective Cognitive Complaints (SCC) are common after stroke. This study documents the prevalence and course of SCC in the first year after stroke and determines which patient characteristics in the first 3 months predict subsequent SCC at 1-year follow-up.
Methods: Using a longitudinal design, 155 patients (mean age 64.
Aims: To assess safety and tolerability and explore pharmacodynamics and efficacy of omiganan in external anogenital warts (AGW) and vulvar high-grade squamous intraepithelial lesions (HSIL).
Methods: Two randomized controlled trials in patients with external AGW and vulvar HSIL were conducted. Patients received topical omiganan 2.
J Eur Acad Dermatol Venereol
January 2020
Background: Assessment of treatment effects in clinical trials requires valid information on treatment adherence, adverse events and symptoms. Paper-based diaries are often inconvenient and have limited reliability, particularly for outpatient trials.
Objectives: To investigate the utility of an electronic diary (e-diary) application for patients with skin diseases in outpatient clinical trials.
Background: The quantification of human papilloma virus (HPV)-induced skin lesions is essential for the clinical assessment of the course of disease and the response to treatment. However, clinical assessments that measure dimensions of lesions using a caliper do not provide complete insight into three-dimensional (3D) lesions, and its inter-rater variability is often poor.
Objective: The aim of this study was to validate a stereophotogrammetric 3D camera system for the quantification of HPV-induced lesions.
Background: Topical ionic contraviral therapy (ICVT) with digoxin and furosemide inhibits the potassium influx on which DNA viruses rely for replication. Therefore, ICVT was hypothesized to be a potential novel treatment for cutaneous warts.
Objectives: To assess the clinical efficacy, safety and tolerability of ICVT in adults with cutaneous warts.
Spinal fusion is a standard surgical treatment for patients suffering from low back pain attributed to disc degeneration. However, results are somewhat variable and unpredictable. With fusion the kinematic behaviour of the spine is altered.
View Article and Find Full Text PDFSubjective Cognitive Complaints (SCC) are common after stroke and adversely affect quality of life. In the present study, we determined the associations of depression, anxiety, perceived stress and fatigue with post-stroke SCC, and whether these associations were independent of objective cognitive functioning, stroke characteristics and individual differences in personality traits and coping styles. Using a cross-sectional design, SCC and psychological measures were obtained in 208 patients (mean 3.
View Article and Find Full Text PDFBackground And Purpose: Objective cognitive performance (OCP) is often impaired in patients post-stroke but the consequences of OCP for patient-reported subjective cognitive complaints (SCC) are poorly understood. We performed a detailed analysis on the association between post-stroke OCP and SCC.
Methods: Assessments of OCP and SCC were obtained in 208 patients 3 months after stroke.
Biomech Model Mechanobiol
April 2017
The two main load bearing tissues of the intervertebral disc are the nucleus pulposus and the annulus fibrosus. Both tissues are composed of the same basic components, but differ in their organization and relative amounts. With degeneration, the clear distinction between the two tissues disappears.
View Article and Find Full Text PDFStudy Design: Collagen fiber orientation analysis in moderately degenerated human cadaveric annulus fibrosus (AF) tissue samples.
Objective: Little is known about the changes in tissue architecture during early degeneration of intervertebral disks (IVDs). As collagen organization strongly affects the disk function, the objective of this study was to quantify the AF collagen orientation and its spatial distribution in moderately degenerated IVDs (Pfirrmann grade III).
The extracellular matrix of the intervertebral disc is subjected to changes with age and degeneration, affecting the biomechanical behaviour of the spine. In this study, a finite element model of a generic spinal motion segment that links spinal biomechanics and intervertebral disc biochemical composition was developed. The local mechanical properties of the tissue were described by the local matrix composition, i.
View Article and Find Full Text PDFBackground: Long-term prognosis in terms of quality of life (QoL) in young stroke patients is of importance because they usually have a long life expectancy and extensive daily life demands. We aimed at determining which medical and psychological factors influence the QoL in young stroke patients (<50 years), after long-term follow-up.
Methods: Young ischemic stroke patients admitted to the St.
J Stroke Cerebrovasc Dis
August 2015
Background: Subjective cognitive complaints (SCCs) are common after stroke, but detailed information about how SCCs differ between patients with stroke versus stroke-free individuals is not available. We evaluated the prevalence and profile of the 2 SCC components (content and worry) in patients 3 months after stroke versus controls using both a generic and a stroke-specific instrument.
Methods: Using a cross-sectional design, 142 patients were compared to 135 controls (matched at group level on age, sex, and estimate of premorbid intelligence quotient).
Capturing patient- or condition-specific intervertebral disk (IVD) properties in finite element models is outmost important in order to explore how biomechanical and biophysical processes may interact in spine diseases. However, disk degenerative changes are often modeled through equations similar to those employed for healthy organs, which might not be valid. As for the simulated effects of degenerative changes, they likely depend on specific disk geometries.
View Article and Find Full Text PDFBackground: Long-term prognosis in terms of cognition in young stroke patients is very important because these patients usually still have a long life expectancy and rather extensive daily life demands. However, little is known on cognitive deficits in these patients. We aimed to evaluate cognitive function in young stroke patients (<50 years) after long-term follow-up.
View Article and Find Full Text PDFPurpose: Degeneration of the intervertebral disc is associated with various morphological changes of the disc itself and of the adjacent structures, such as reduction of the water content, collapse of the intervertebral space, disruption and tears, and osteophytes. These morphological changes of the disc are linked to alterations of the spine flexibility. This paper aims to review the literature about the ageing and degenerative changes of the intervertebral disc and their link with alterations in spinal biomechanics, with emphasis on flexibility.
View Article and Find Full Text PDFBackground: Although many studies have assessed poststroke objective cognitive impairment, only a few have evaluated patients' subjective cognitive complaints (SCC). Although these SCC are found to be common in the early and chronic phases after stroke, knowledge about their risk factors, course over time, differences with healthy controls and their diagnostic relevance is limited. The aim of the COMPlaints After Stroke (COMPAS) study is therefore to determine the possible risk factors, prognosis, time course and predictive value of SCC in the first 2 years after stroke.
View Article and Find Full Text PDFJ Stroke Cerebrovasc Dis
March 2014
Background: Most studies to date have assessed poststroke cognitive impairment objectively, whereas less attention is paid to subjective cognitive complaints (SCC). We, therefore, systematically searched the literature to summarize and evaluate the current knowledge about poststroke SCC.
Methods: Articles were included in this review if the study evaluated SCC in adult stroke survivors, and the publication was an original empirical article from which the full text was available.
Purpose: A possible complication after total disc replacement (TDR) is subsidence, presumably caused by asymmetric implantation, implant undersizing or reduced bone quality. This study aims to quantify the degree of subsidence of an SB Charité TDR, and investigate whether undersizing is related to subsidence.
Methods: A custom developed software package (Mathworks) reconstructed 3D bone-implant geometry.